Tire Tread/belt problems of the 2000 Chevrolet Silverado 1500

Continental tires has ignored my complaint. Yesterday I experienced the third delamination, explosive or catastrophic blowout of a continental tire on the Chevrolet pickup truck in the past seven months. In each incident the tread detached and destroyed the rear fender and inner fender lining. Set of four continental tires purchased at wal-mart, live oak, florida, installed and balanced on 3 January 2003, invoice number 485700 95770. Truck mileage 153249, included tire warranty. Tires installed were bar code 5134206727. On 9/06 first blowout and catastrophic failure was northbound on I-75 at adel georgia. Left rear fender destroyed by tread detachment. Repairs accomplished , mileage 20,0913. On 1/07 second tire damage was tread delamination which caused a large bubble on the tread. Before impending blowout tire was replaced , mileage 206681. Third tire damage and second catastrophic blowout occurred on March 14, 2007 northbound on I-75 near alachua, florida. Right rear fender destroyed by tread detachment. Towing charge and used tire purchase from a-1 towing, 14515 NW peggy rd. Alachua, florida 32615. 3/15/07 today, I drove to the same tire mart and had the remaining continental tire of the original four removed. Invoice number in00289613, account no. Mcd2527. $353. 04. I will retain this continental tire for your inspection or for my further complaint. Mileage 209808, account no. Mcd3537. Gentlemen, I am displeased with your product. I have had three of the tires caused me much inconvenience and aggravation. For each incident, my insurance carrier (usaa) charged me a $250 deductible for repairs. The one remaining tire I shall keep for your inspection at your convenience. I have also retained the last tire that lost its tread for your examination.